Gravis Marketing, a nonpartisan research firm, conducted a random survey of 1,433 registered voters in Arizona regarding the national and local elections. The sample includes 844 Republican Primary participants, 427 Democratic Primary participants, and the remainder planning to vote in 2016, but will not participate in the primary elections. The poll has a margin of error of ± 2.6% [3.4% for Republican Caucus/4.7% for Democratic Caucus]. The total may not round to 100% because of rounding. The polls were conducted using IVR technology.
Gravis Marketing is a non-partisan research firm headquartered in Florida. Gravis Marketing is the recipient of the 2013 American Association of Political Consultants award for 2012 Presidential Primary domestic and international phone calls.